Are motion sensor lights a good way to save energy?



  1. 0 Votes

    In general, yes, motion sensitive lights are a good way to save electricity. They are especially good in rooms that are not often in use (but where people forget to turn off the light) like the bathroom or a storage closet. They also good in classrooms where electricity is used all day, but no one is there at night.

    However, you must remember that something must power the sensor and mechanism that makes the lights turn on when they sense motion. This may be electrical or it may be battery-operated.

  2. 0 Votes

    I agree that motion sensors are a good way to reduce energy consumption in spaces that have intermittent use. A bathroom is a classic example, but most rooms could use one as well. An alternative that works well for specific contexts, such as a clothing closet, is to have a mechanical trigger so that when the door is open the light turns on, and when the door is closed the light turns off-somewhat similar to a fridge light.

  3. 0 Votes

    I believe the answer lies in a fusion of standard lights and motion sensor lights. Like the others mentioned above, it depends on the situation of light usage. You could have them installed in rooms, but what if you are using the light to see workspace, like on your computer or desk? We typically don’t move all that much when we do such things, and it could be annoying to have the lights constantly going out on you while you are trying to type or write something. I propose that future lights have motion sensors built into them but with timers and settings. You could program the lights to be motion sensitive, but have them dim perhaps while you watch a movie. Also, your desk lamp would stay illuminated on a timer, so you could have full light during the time you need it.

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